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The SPC heavy-duty support plate spreads load from 4" axle spacers and similar Z-block components to prevent crushing of caster wedges and other pressure-point failures. At 1/8" thickness and sold six per pack, the plates support 4"-wide spacers and can be used to help dial in ride height side-to-side. They’re intended for robust axle spacer setups where better load distribution is required.
SPC Performance 4 in. HD Support Plate (6)
